RT Journal Article SR Electronic(1) A1 Heckly, Robert J.YR 1981 T1 American Type Culture Collection Methods. I. Laboratory Manual on Preservation Freezing and Freeze-Drying as Applied to Algae, Bacteria, Fungi and Protozoa JF International Journal of Systematic and Evolutionary Microbiology, VO 31 IS 3 SP 384 OP 384 DO https://doi.org/10.1099/00207713-31-3-384 PB Microbiology Society, SN 1466-5034, AB , UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-31-3-384